with a prominent bony crest on the top of its head

The males of this species were also distinguished by their enormous horns

The skull of S

it is believed that they could have served to protect it against attacks by large predators or for intraspecific combat during competition for pairs or territories

An interesting aspect of Camptosaurus dispar is that fossils have been found in several locations in North America

Arctodus simus Mammoth with a prominent bony crestArctodus simus , commonly known as the short faced bear, was one of the largest terrestrial carnivores of the Pleistocene of North America. This extinct member of the subfamily Tremarctinae inhabited a wide range of ecosystems, from the central plains to the northern forests of the continent, between approximately 800,000 and 11,000 years before present. Its highly specialized morphology has been the subject of intense debate surrounding its trophic